114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
/*!
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@file
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@author Albert Semenov
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@date 12/2008
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_FLOW_DIRECTION_H__
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#define __MYGUI_FLOW_DIRECTION_H__
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#include "MyGUI_Prerequest.h"
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#include <string>
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namespace MyGUI
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{
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struct MYGUI_EXPORT FlowDirection
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{
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enum Enum
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{
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LeftToRight,
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RightToLeft,
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TopToBottom,
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BottomToTop,
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MAX
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};
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FlowDirection(Enum _value = LeftToRight) :
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value(_value)
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{
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}
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static FlowDirection parse(const std::string& _value)
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{
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FlowDirection type;
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int value = 0;
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while (true)
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{
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const char* name = type.getValueName(value);
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if (strcmp(name, "") == 0 || name == _value) break;
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value++;
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}
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type.value = (Enum)value;
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return type;
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}
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bool isHorizontal() const
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{
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return value == LeftToRight || value == RightToLeft;
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}
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bool isVertical() const
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{
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return !isHorizontal();
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}
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friend bool operator == (FlowDirection const& a, FlowDirection const& b)
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{
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return a.value == b.value;
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}
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friend bool operator != (FlowDirection const& a, FlowDirection const& b)
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{
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return a.value != b.value;
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}
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friend std::ostream& operator << ( std::ostream& _stream, const FlowDirection& _value )
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{
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_stream << _value.getValueName(_value.value);
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return _stream;
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}
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friend std::istream& operator >> ( std::istream& _stream, FlowDirection& _value )
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{
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std::string value;
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_stream >> value;
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_value = parse(value);
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return _stream;
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}
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std::string print() const
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{
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return getValueName(value);
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}
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private:
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const char* getValueName(int _index) const
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{
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static const char* values[MAX + 1] = { "LeftToRight", "RightToLeft", "TopToBottom", "BottomToTop", "" };
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return values[(_index < MAX && _index >= 0) ? _index : MAX];
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}
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private:
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Enum value;
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};
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} // namespace MyGUI
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#endif // __MYGUI_FLOW_DIRECTION_H__
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